1. Symantec-Broadcom-Horizontal/
  2. Security Response/
  3. Attack Signatures/
  4. HTTP AdClicker Netprotocol Activity

HTTP AdClicker Netprotocol Activity

Severity: High

This attack could pose a serious security threat. You should take immediate action to stop any damage or prevent further damage from happening.


This signature detects HTTP activity associated with AdClicker Netprotocol which may download malicious applications to further compromise the target host.

Additional Information

Downloader connects to the Internet and downloads other Trojan horses or components.


  • Windows


The following instructions pertain to all current and recent Symantec antivirus products, including the Symantec AntiVirus and Norton AntiVirus product lines.

1. Disable System Restore (Windows Me/XP).
2. Update the virus definitions.
3. Restart the computer in Safe mode (Windows 95/98/Me/2000/XP) or VGA mode (Windows NT).
4. Run a full system scan and delete all the files detected as Downloader.
Clear Internet Explorer History and files, if needed.
  • Twitter
  • Facebook
  • LinkedIn
  • Google+
  • YouTube